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cells

An illustration of a machine with two mechanical arms sorts cells by size into processing lines marked “Asymmetric Division” and “Symmetric Division.”
developmental biology

For Embryo’s Cells, Size Can Determine Fate

Modeling suggests that many embryonic cells commit to a developmental fate when they become too small to divide unevenly anymore.

Q&A

His Artificial Intelligence Sees Inside Living Cells

The computer vision scientist Greg Johnson is building systems that can recognize organelles on sight and show the dynamics of living cells more clearly than microscopy can.

cell biology

Cellular Life, Death and Everything in Between

The discovery that apparently dead cells can sometimes resurrect themselves has researchers exploring how far they can push the point of no return.

Art for "Dormant Microbes Bide Their Time Over Decades - Old Fires"
ecology

Heat-Loving Microbes, Once Dormant, Thrive Over Decades-Old Fire

In harsh ecosystems around the world, microbiologists are finding evidence that “microbial seed banks” protect biodiversity from changing conditions.

Art for "Researchers Rethink Ancestry of Complex Cells"
evolution

Researchers Rethink the Ancestry of Complex Cells

New studies revise ideas about the symbiosis that gave mitochondria to cells and about whether the last common ancestor of all eukaryotes was one cell or many.

Art for "How the Brain Links Gestures, Perception and Meaning"
cognitive science

How the Brain Links Gestures, Perception and Meaning

Neuroscience has found that gestures are not merely important as tools of expression but as guides of cognition and perception.

Art for "Mitochondria Direct the Fate of Stem Cells by Shape-Shifting"
developmental biology

Biologists Discover Unknown Powers in Mighty Mitochondria

Mitochondria are most famous as sources of metabolic energy. But by splitting and combining, they can also release chemical signals to regulate cell activities, including the generation of neurons.

Abstractions blog

What Defines a Stem Cell? Scientists Rethink the Answer

As it becomes clear that the body’s cells have more diverse regenerative capabilities than expected, experts have had to reconsider their approach to stem cell research.

Art for "‘Lava-Lamp’ Proteins Inside Cells May Protect and Regulate"
cell biology

‘Lava-Lamp’ Proteins May Help Cells Cheat Death

With proteins that reversibly self-assemble into droplets, cells may control their metabolism — and harden themselves against harsh conditions.